1 - Heaven

Trigram 1 is Heaven (qián or ch'ien), consisting of three solid Yang lines. Yang stands for heaven, light, and warmth. The trigram represents creativity, since Heaven is in Ancient Chinese thought regarded as the origin of the world and the mightiest force in it. It also denotes the dry warming of the sun, and it suggests the male principle.

2 - Lake

Trigram 2 is the Lake (duì or tui), the big body of water. The trigram represents the joyous and open.

3 - Fire

Trigram 3 is Fire (lí or li), the consuming energy, which is also one of the five Chinese elements. The trigram represents the clinging and radiance. It also stands for breaking free and departing.

4 - Thunder

Trigram 4 is Thunder (zhèn or chen), the powerful voice of heaven. The trigram represents the arousing and shaking.

5 - Wind

Trigram 5 is Wind (xùn or sun), the movement of air, which is one of the five Chinese elements. The trigram represents the gentle and obedient, but also the ground, which is where the wind is felt and shows its power.

6 - Water

Trigram 6 is Water (kan or k'an), which is one of the five Chinese elements. Th trigram represents the abysmal, the gorge, since that's where the water naturally travels.

7 - Mountain

Trigram 7 is the Mountain (gèn or ken), rooted in the earth and towering towards heaven. The trigrams represents stillness and they bound, since a mountain remains where it is, seemingly forever.

8 - Earth

Trigram 8 is Earth (kun or k'un), consisting of three broken Yin lines. Yin stands for earth, dark, and cold. It's the symbol of the female principle. The trigram represents the receptive, since that is traditionally seen as the role of earth in relation to heaven. It also represents the field on which is grown what we need to survive.

Hexagrams

The 64 I Ching Hexagrams, made up of paired trigrams.